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发明名称
VALVE
摘要
申请公布号
CA768020(A)
申请公布日期
1967.09.26
申请号
CAD768020
申请日期
申请人
HYDROCARBON RESEARCH
发明人
HERMAN F. BUSCHOW
分类号
主分类号
代理机构
代理人
主权项
地址
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